def testMultipleLHS(self):
""" Test multiple targets on the left hand side. """
snippets = ['a, b = 1, 2',
'(a, b) = 1, 2',
'((a, b), c) = (1, 2), 3']
for s in snippets:
a = transformer.parse(s)
self.assertIsInstance(a, ast.Module)
child1 = a.getChildNodes()[0]
self.assertIsInstance(child1, ast.Stmt)
child2 = child1.getChildNodes()[0]
self.assertIsInstance(child2, ast.Assign)
# This actually tests the compiler, but it's a way to assure the ast
# is correct
c = compile(s, '<string>', 'single')
vals = {}
exec c in vals
assert vals['a'] == 1
assert vals['b'] == 2
python类compile()的实例源码
def testMultipleLHS(self):
""" Test multiple targets on the left hand side. """
snippets = ['a, b = 1, 2',
'(a, b) = 1, 2',
'((a, b), c) = (1, 2), 3']
for s in snippets:
a = transformer.parse(s)
self.assertIsInstance(a, ast.Module)
child1 = a.getChildNodes()[0]
self.assertIsInstance(child1, ast.Stmt)
child2 = child1.getChildNodes()[0]
self.assertIsInstance(child2, ast.Assign)
# This actually tests the compiler, but it's a way to assure the ast
# is correct
c = compile(s, '<string>', 'single')
vals = {}
exec c in vals
assert vals['a'] == 1
assert vals['b'] == 2
def testMultipleLHS(self):
""" Test multiple targets on the left hand side. """
snippets = ['a, b = 1, 2',
'(a, b) = 1, 2',
'((a, b), c) = (1, 2), 3']
for s in snippets:
a = transformer.parse(s)
self.assertIsInstance(a, ast.Module)
child1 = a.getChildNodes()[0]
self.assertIsInstance(child1, ast.Stmt)
child2 = child1.getChildNodes()[0]
self.assertIsInstance(child2, ast.Assign)
# This actually tests the compiler, but it's a way to assure the ast
# is correct
c = compile(s, '<string>', 'single')
vals = {}
exec c in vals
assert vals['a'] == 1
assert vals['b'] == 2
def testMultipleLHS(self):
""" Test multiple targets on the left hand side. """
snippets = ['a, b = 1, 2',
'(a, b) = 1, 2',
'((a, b), c) = (1, 2), 3']
for s in snippets:
a = transformer.parse(s)
self.assertIsInstance(a, ast.Module)
child1 = a.getChildNodes()[0]
self.assertIsInstance(child1, ast.Stmt)
child2 = child1.getChildNodes()[0]
self.assertIsInstance(child2, ast.Assign)
# This actually tests the compiler, but it's a way to assure the ast
# is correct
c = compile(s, '<string>', 'single')
vals = {}
exec c in vals
assert vals['a'] == 1
assert vals['b'] == 2
def load_comments(self, pkgfile):
""" Open the package and load comments if any.
Return the loaded comments """
# Note: This has to be called with a Python
# source file (.py) only!
if not os.path.exists(pkgfile):
return ""
comment = ""
try:
of = open(pkgfile,'rb')
data = of.read()
if data:
# Create code object
try:
c = compiler.compile(data,pkgfile,'exec')
# Get the position of first line of code
if c:
lno = c.co_firstlineno
lnum = 0
# Read file till this line number
of.seek(0)
for line in of:
comment = "".join((comment, line))
lnum += 1
if lnum==lno or line=="\n": break
except SyntaxError, e:
pass
except Exception, e:
pass
of.close()
except (OSError, IOError, TypeError), e:
pass
return comment
def getPycHeader(filename):
# compile.c uses marshal to write a long directly, with
# calling the interface that would also generate a 1-byte code
# to indicate the type of the value. simplest way to get the
# same effect is to call marshal and then skip the code.
#mtime = os.path.getmtime(filename)
mtime = 0 # to make it deterministic for now
mtime = struct.pack('<i', int(mtime))
return imp.get_magic() + mtime
def main(argv):
in_path = argv[1]
out_path = argv[2]
compileAndWrite(in_path, out_path, stdlib_comp.compile)
def main(files):
for file in files:
print(file)
buf = open(file).read()
try:
co1 = compile(buf, file, "exec")
except SyntaxError:
print("skipped")
continue
co2 = compiler.compile(buf, file, "exec")
co1l = extract_code_objects(co1)
co2l = extract_code_objects(co2)
for a, b in zip(co1l, co2l):
compare(a, b)
def main(files):
for file in files:
print file
buf = open(file).read()
try:
co1 = compile(buf, file, "exec")
except SyntaxError:
print "skipped"
continue
co2 = compiler.compile(buf, file, "exec")
co1l = extract_code_objects(co1)
co2l = extract_code_objects(co2)
for a, b in zip(co1l, co2l):
compare(a, b)
def main(files):
for file in files:
print file
buf = open(file).read()
try:
co1 = compile(buf, file, "exec")
except SyntaxError:
print "skipped"
continue
co2 = compiler.compile(buf, file, "exec")
co1l = extract_code_objects(co1)
co2l = extract_code_objects(co2)
for a, b in zip(co1l, co2l):
compare(a, b)
